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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2024
Income Tax Disclosure [Abstract] |
Schedule of Components of Benefit for Income Taxes | The components of the provision (benefit) expense were as follows for the years ended December 31, 2024 and 2023 (in thousands):
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |
Current income tax (benefit) expense: |  |  |  |  |  |  |  |
Federal |  | $ | — |  |  | $ | — |
State |  |  | (1 | ) |  |  | 13 |
Total current income tax (benefit) expense |  |  | (1 | ) |  |  | 13 |
Deferred income tax benefit: |  |  |  |  |  |  |  |
Federal |  |  | (16,279 | ) |  |  | (16,514 | )
State |  |  | (2,803 | ) |  |  | (11,247 | )
Total deferred income tax benefit |  |  | (19,082 | ) |  |  | (27,761 | )
Changes in tax rate |  |  | 2,155 |  |  |  | (1,471 | )
Changes in valuation allowance |  |  | 16,927 |  |  |  | 29,232 |
Total income tax (benefit) expense from continuing operations |  | $ | (1 | ) |  | $ | 13 |
Schedule of Deferred Tax Liabilities and Related Valuation Allowance | The components of the Company’s net deferred tax liabilities and related valuation allowance are as follows as of December 31, 2024 and 2023 (in thousands):
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |
Deferred tax assets: |  |  |  |  |  |  |  |
Net operating loss carryforwards |  | $ | 85,226 |  |  | $ | 71,434 |
Debt related interest |  |  | 16,228 |  |  |  | 16,898 |
Capitalized research and development |  |  | 5,228 |  |  |  | 4,936 |
Tax credit carryforwards |  |  | 4,415 |  |  |  | 3,960 |
Stock-based compensation |  |  | 1,157 |  |  |  | 525 |
Accrued expense and reserves |  |  | 1,812 |  |  |  | 1,584 |
Purchased revenue liability |  |  | 1,754 |  |  |  | — |
Operating lease liabilities |  |  | 577 |  |  |  | 774 |
Other |  |  | 303 |  |  |  | 159 |
Total deferred tax assets |  |  | 116,700 |  |  |  | 100,270 |
Less valuation allowance |  |  | (113,703 | ) |  |  | (96,776 | )
Total deferred tax assets |  |  | 2,997 |  |  |  | 3,494 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Intangible assets |  |  | (2,423 | ) |  |  | (2,734 | )
Operating lease right-of-use assets |  |  | (574 | ) |  |  | (760 | )
Total deferred tax liabilities |  |  | (2,997 | ) |  |  | (3,494 | )
Net deferred tax liabilities |  | $ | — |  |  | $ | — |
Schedule of Effective Income Tax Rate Reconciliation | The reconciliation between U.S. federal income taxes at the statutory rate and the Company’s provision for income taxes are as follows for the years ended December 31, 2024 and 2023 (in thousands):
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |
Income tax benefit at federal statutory rate |  | $ | (15,290 | ) |  | $ | (24,007 | )
Valuation allowance |  |  | 18,559 |  |  |  | 29,232 |
Compensation expense |  |  | 2,772 |  |  |  | 3,798 |
Acquisition related charges |  |  | 485 |  |  |  | 260 |
Prior year true-up and carryback |  |  | (1,182 | ) |  |  | (5,079 | )
State, net of federal tax benefit |  |  | (2,705 | ) |  |  | (5,127 | )
Change in fair value of Convertible Debentures |  |  | (4,449 | ) |  |  | 1,752 |
Change in tax rates |  |  | 2,155 |  |  |  | (1,471 | )
Other |  |  | (346 | ) |  |  | 655 |
Income tax (benefit) expense |  | $ | (1 | ) |  | $ | 13 |
Schedule of Unrecognized Tax Benefits Roll Forward | A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows for the years ended December 31, 2024 and 2023 (in thousands):
|  | 2024 |  |  | 2023 |
Gross unrecognized tax benefits at the beginning of the year |  | $ | 1,071 |  |  | $ | 408 |
Increase related to prior year tax positions |  |  | — |  |  |  | 536 |
Increase related to current year tax positions |  |  | 127 |  |  |  | 127 |
Gross unrecognized tax benefits at the end of the year |  | $ | 1,198 |  |  | $ | 1,071 |

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